YK

Yoshitaka Kajiwara

NK Nippon Kayaku: 5 patents #128 of 1,103Top 15%
Overall (All Time): #1,035,886 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7108897 Dye type polarizing plate Shoji Oiso, Kumiko Ishii, Toru Tabei 2006-09-19
6790490 Dye type polarizing plate Shoji Oiso, Kumiko Ishii, Toru Tabei 2004-09-14
6420464 Polyhydric phenol compounds, epoxy resins, epoxy resin compositions and cured products thereof Kenichi Kuboki, Eiko Watanabe, Yoshio Shimamura, Katsuhiko Oshimi 2002-07-16
6043333 Modified epoxy resin, epoxy resin composition and cured product thereof Kenichi Kuboki, Yoshio Shimamura, Yasumasa Akatsuka 2000-03-28
5218061 Partially post-glycidylated epoxy resin, epoxy resin composition and cured product thereof Shoushi Takahashi, Kenichi Mizoguchi, Sumio Saito 1993-06-08